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Monday, November 2, 2020 

Following eight years of close collaboration, Norwegian Cruise Line and Yara Marine Technologies are celebrating the finalisation of scrubber installations onboard eight NCL ships.

In 2012, the first installation began on the Pride of America, completed in early 2014. Exhaust gas cleaning was still uncharted territory for most cruise operators in 2012, and scrubber installation on ships in service was a groundbreaking concept, recalls Peter Strandberg, CTO Yara Marine Technologies.

“NCL was proactive early on exhaust gas cleaning systems. They took a gamble on scrubbers, and they needed to trust that we could deliver,” said Strandberg. Punctuality is critical in all shipping, he notes, but especially in cruise, with passengers waiting on the dock. “It’s complicated to install scrubbers on ships in service, but NCL trusted Yara Marine to get the job done.”

Giovanni Canu, VP Special Projects and Operational Support, Norwegian Cruise Line Holdings, began overseeing scrubber projects as the first installation was nearing completion. “I was told it was an extremely challenging project, and they were right,” he said.

In-line scrubbers were still new to the game, and the level of invasion required in the vessel structure made it difficult to plan for all eventualities: “A lot of adjustments were required along the way, and here our Chief Project Engineer John Abbott provided invaluable experience and knowledge to the project,” Canu added.

After the Pride of America came four sister ships in the Jewel class. Once installation on the first of these ships was complete, Canu reports that the rest were managed with only minor adjustments.

Strandberg noted: “The intention with switching to low sulphur fuel was to reduce emissions to air, but the industry did not have all the information back then. Now we know that ships using HFO with scrubbers pollute much less than those burning marine diesel.”

Canu concluded: “They {Yara Marine} were very open to modifications of the systems when we thought it was necessary. This allowed us to make some changes to make the systems perform even better. We are still working with them to upgrade and make changes, and we still value our cooperation highly.”

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